Sliding door



NOV. 24, l H; FRASER. SLIDING DOOR I Filed Aug, 30, 1929 2 Sheets-Shee l d .5 I a K l .15

lllllHllllllill/Illlll o Q 2 Q "m 7 I W ENTOR F WITNESS Mflaaem Bf L7/M/M4 Q ATTORNEY Nov. 24; 1931.

J. H. FRASER SLIDING DOOR Filed Aug. 30, 1929 2 Sheets-Sheet INVENTOR cf 15? i'raaen ATTORNEY WITNESS Q7.

V sliding doors and more particularly to slid- Patented Nov. 24; 1931 snrnmef noon y f My invention relates to improvements in ing doors used on box cars and consists in' the combinations constructions, and arrangements herein'described and claimed.

An object of my invention is'to provide a sliding door supported at a single point for the purpose of minimizing movements thereof due to vibrations transmitted there to through its connection with thecsills or the door posts of the box car.

A further object of my invention is to provide a sliding door havingv a support therefor which guides saiddoor in astraight line reciprocation on pivotal supports'rather than sliding supports with consequent greater ease of operation.

A further object of my inventionis to provide a sliding door of the type described which will automatically lock itself at full open and full closed positions.

A further object of my invention is to pro; vide a sliding door of the type described; the supporting means of which may be mounted on either side of the opening forming the door way or on either the inside'or outside surface of the door.

A further object of -my invention is to provide a device of the typedescribed which is simple in construction, has few parts and is not likely to get out of order easily; 7

Other objects and advantages will appear in the following specification andjthe novel features of the inventionwill be particular lypointed out in the appended claim.

" My invention is illustratedin the drawings forming part of this application, wherein:v

Figure 1 is a front elevational'view of my device mounted in operative position;

Fig. 2 is a sectional-view. of the device on line 22 of Fig. 1; p 7 p .Fig. 3 is a front elevational view of my device showing the door moved to a different position;

Fig. 4 is a sectional view on line of Fig. 3;

Fig. 5 vis an elevational detail 'view of a a portion of the devicewith the parts in'one;

operative position; and

Fig. 6 1s an elevatlonal detail view of said stud in said "slot.

portion offth'e device;

' Fig. 7 is a sectional; tion of the device. y

' I In carrying out'my invention I make use of a door wayshown at 1 of an; ordinary box car. For mounting the door 27in operat-' ing relation to this-door way I provide a set of linkages comprising a, long link member indicated at "3 and providing a pivotal sup v I 1 I a; fj.:., 1,833. 283

anotheroperativeposition; detail view, of a por-:

port for the door 2 as' indicated at Pivotally; mounted intermediate "the ends of"this 'long 'link 3 as indicated' atfi is a short linkf. 'membert which swivellyimounte'd ad "jacent V the doo1"-way-- ati-;the top thereof {as shown at7. A' bracket member 8,Eprovi'ding gin-extension 8a and dependingflange; 8?),

For securing v a straight line reciprocatory I motion of the door 2, I 'jslid'ably mount the long link 3 in'the slot 9 of the locking bracket 10"by' means of stud 11.f ;lhis stud ll'may be provided with an anti-frictionrollerffor the purpose of insuring easy operation As more clearly appears in Figs-5 an the bracket member 10 is "provided the 2 upper end of the, slot 9 therein-with a" recess 12 adapted forthe' receptionofthestud 111 when moved'to the? end fof thewslot g. 1 a f purpose presently to be described. The

bracket member lopissuitablyformedso as 1 p to project from the side: of the car suficient 1 .85 V 2 as well as to permit the stud to freely move 5 S etween the b flQkefi and the side ly to allow clearance for the. passage. of door in said slot 10 of the'ca For additionally guiding at ciaom fwu as sealing the top of said door against the weather, I have provided a rShapedguiding ing over and guiding the door, and; an 511+ ment cwithgthex top of said door for guiding ;13-may be madeEOfanordinary rail indicatedat 13 and being provided with 1 i a flange 14 adapted for fastening to the side joffthe'car, a flange 1 5.adaptedfor' project andsealing the same. This guiding'andseal- @ingplate 1g as 'termediate portion 16 ada teki-rorengaga 1 in ltothelopen position SllO'VVILiILFlg.

3 by; simply, sliding the same; The door-slidsillof the door Way to the side ofthe car and comprising horizontal portions'18 adapted for engagement With thebottom' of. the door and ertically extending flange portions j 19. adapted for engagement with ,the front of the, door fofhblding the" same imposition.

" It is readily pp nt tlm'rhe suPP-Qrtingi I I it linkage with the; accompanying mountingmeansrneed not be monnted exaotlyijin"the 5 1,;-'positionillustrated;- The n1ounting;,1neans could be placed'jon the opposite side "ofithe and adapted to seat inthe recess'thereof having a'stud slidajbly engaged int-s aid slot I upon; movement of said door 'into open o1? closed'positions, 1 v

-- JAMES I-LFRASER;

doorway for 'OperatiOnsiniila-Itojzthe Po-1f vsitionfillnstrate d except in the opposite di freoti'oirq, It, is easilyseen that jthe:supp0rt ing-linkagesfcoiild -be placed on the opposite f side;ofthedoorawithaslefi ective operation as if positionedas illustrated: U

i as hasfbeen previously stated, is designed fornse on box ears; orjotherlvehieles, build: ings and silnilarelficlosin'es- Where it isdesired rtosecnre ease of operationQasgwellas automatic, looking ofgthe sa nts ingopenflfoi' shnt positions; QA s is readily. apparent from examination of Eigs;,;1 and3jthe door-2Jmay bebp'erated from the closed pgositionshown V I -Fro'm the foregoing ClBSCI'lPtiQIrOf the yari- 1 1; r ousgparts of the [device the joperationi there: i i;

of -Will rb'e read ly understood. Th s door,;

ring ina straight line supportedfroln theenjd g 'e f.: he;1i n s Sh n at f iby 'sh r 'l 'nk a i 6 randtbra'oliet support 8, a naturalflarouate ff movement of the supporting end of the long fllinkgg being' alteredby-lneansofthe sl id'ahle j mounting: of the otherend of theli-nk 3to-a'. V

straight line reciprocatory movement in a Well k nownrmann erz; Thestud 1 1 at the ends 1 off such I'QCIPXQCfltQIY movementeng'ages1n o the recessm as is more clearly shown in Fi'gs- 5 and Grand holds t'lie linlrslextended i'lndoor c'losedior door'eopen position, while 'fg l" f i the slot-:9. accommodates jsaid stud :during 7 V r the inovement of'the door; Th efdoorbeing slipported atone point Z'aSEfiIICliCEEtBd13171 4, q above-thenenter otgravity ise-not subject .l tales large a rimnber of Vibrations'as found inf other mounting means. The door, is pretented froin' nioi ernent outwardly'orinward lyfby its7engage'ment with the additional guiding meansili and 13-and its engagement against the 's ill's' f the doorway" flclaimzf,

V In eombinatio 1. a sliding fdoofiguide lneans therefor'finelnding an npper rail having-a depending,bracket, meansflforl1oldingsaid I i I door-in open or} closed-positions Comprising I 1 .e a bracket having,a'fslot"and recess, along l ,piv0 a y=;.0nn d'medial yf rf-isa a. a do,or,"a:short?linl piyotal-lyeonnected-to said" 5 long-link andjintermediatel-ythereof and tof l i said depending bracket, andsaidilong 'link i 

